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Finding the Fourth Proportional to 827,803.20, 1,241,704.80 and 575,860.80

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Solution

The fourth proportional to 827,803.20, 1,241,704.80 and 575,860.80 is: 863,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,803.20 : 1,241,704.80 = 575,860.80 : x
  2. Step 2: Convert to fraction form
    827,803.20/1,241,704.80 = 575,860.80/x
  3. Step 3: Cross multiply
    827,803.20x = 1,241,704.80 × 575,860.80
  4. Step 4: Simplify right side
    827,803.20x = 715,049,119,491.84
  5. Step 5: Solve for x
    x = 715,049,119,491.84/827,803.20
  6. Step 6: Final answer
    x = 863,791.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.